Telltale Games bundles Puzzle Agent, Sam and Max, four more for $20

Starting right now, Telltale Games is offering six adventure games for just $19.95. The initial four are The Whispered World, Jack Keane, King's Quest Collection, and Penny Arcade Adventures: Episode 1, with Telltale's own Puzzle Agent and Sam & Max: Season 2 unlocking as more people buy the bundle.

Child's Play and The World Wildlife Fund are among five charities receiving 25 percent of the profits from this promotion. The deal is currently being offered only on PC, and will be available via the Telltale Games store until September 10.